PAM support

Makefile.in

@@ -13,7 +13,7 @@ INSTALL_MAN    = $(INSTALL_PREFIX)/share/man
 MISSING_SOURCES	= @LOCAL_MISSING_SOURCES@
 MISSING_OBJECTS = $(MISSING_SOURCES:.c=.o)
 CC		= @CC@
-
+PAM_LIBS = @PAM_LIBS@
 .PHONY: all psman install clean distclean
 
 .c.o:
@@ -22,7 +22,7 @@ CC		= @CC@
 all: daemonize 
 
 daemonize: daemonize.o getopt.o $(MISSING_OBJECTS)
-	$(CC) $(CFLAGS) -o daemonize daemonize.o getopt.o $(MISSING_OBJECTS)
+	$(CC) $(CFLAGS) -o daemonize daemonize.o getopt.o $(MISSING_OBJECTS) $(PAM_LIBS)
 
 testdaemon: testdaemon.o
 	$(CC) $(CFLAGS) -o testdaemon testdaemon.o

config.h.in

@@ -140,6 +140,12 @@
 /* Define if you have the flock(3) function. */
 #undef HAVE_FLOCK
 
+/* Define to 1 if you have the `libpam,libpam_misc' library (-lpam,-lpam_misc). */
+#undef HAVE_PAM
+
+/* PAM support. */
+#undef WITH_PAM
+
 /*****************************************************************************\
                      DON'T TOUCH ANYTHING BELOW HERE!
 \*****************************************************************************/

configure

@@ -622,11 +622,13 @@ ac_includes_default="\
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
 LOCAL_MISSING_SOURCES
+PAM_LIBS
 INSTALL_DATA
 INSTALL_SCRIPT
 INSTALL_PROGRAM
 EGREP
 GREP
+DAEMONIZE_LIBS
 CPP
 OBJEXT
 EXEEXT
@@ -676,6 +678,7 @@ SHELL'
 ac_subst_files=''
 ac_user_opts='
 enable_option_checking
+with_pam
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1289,6 +1292,11 @@ if test -n "$ac_init_help"; then
 
   cat <<\_ACEOF
 
+Optional Packages:
+  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
+  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
+  --with-pam              enable PAM support
+
 Some influential environment variables:
   CC          C compiler command
   CFLAGS      C compiler flags
@@ -1614,6 +1622,52 @@ $as_echo "$ac_res" >&6; }
 
 } # ac_fn_c_check_header_compile
 
+# ac_fn_c_try_link LINENO
+# -----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_link ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest$ac_exeext
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 test -x conftest$ac_exeext
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+  # interfere with the next link command; also delete a directory that is
+  # left behind by Apple's compiler.  We do this before executing the actions.
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_link
+
 # ac_fn_c_check_type LINENO TYPE VAR INCLUDES
 # -------------------------------------------
 # Tests whether TYPE exists after having included INCLUDES, setting cache
@@ -1668,52 +1722,6 @@ $as_echo "$ac_res" >&6; }
 
 } # ac_fn_c_check_type
 
-# ac_fn_c_try_link LINENO
-# -----------------------
-# Try to link conftest.$ac_ext, and return whether this succeeded.
-ac_fn_c_try_link ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  rm -f conftest.$ac_objext conftest$ac_exeext
-  if { { ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
-  (eval "$ac_link") 2>conftest.err
-  ac_status=$?
-  if test -s conftest.err; then
-    grep -v '^ *+' conftest.err >conftest.er1
-    cat conftest.er1 >&5
-    mv -f conftest.er1 conftest.err
-  fi
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 test -x conftest$ac_exeext
-       }; then :
-  ac_retval=0
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_retval=1
-fi
-  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
-  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
-  # interfere with the next link command; also delete a directory that is
-  # left behind by Apple's compiler.  We do this before executing the actions.
-  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-  as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_link
-
 # ac_fn_c_check_func LINENO FUNC VAR
 # ----------------------------------
 # Tests whether FUNC exists, setting the cache variable VAR accordingly
@@ -3072,6 +3080,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
 $as_echo_n "checking for grep that handles long lines and -e... " >&6; }
 if ${ac_cv_path_GREP+:} false; then :
@@ -3701,6 +3710,118 @@ export CPPFLAGS
 
 
 
+# Check whether --with-pam was given.
+if test "${with_pam+set}" = set; then :
+  withval=$with_pam;
+else
+  with_pam=no
+fi
+
+if test "x$with_pam" = xyes; then
+    LIBS_save=$LIBS
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pam_start in -lpam" >&5
+$as_echo_n "checking for pam_start in -lpam... " >&6; }
+if ${ac_cv_lib_pam_pam_start+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpam  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char pam_start ();
+int
+main ()
+{
+return pam_start ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_pam_pam_start=yes
+else
+  ac_cv_lib_pam_pam_start=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pam_pam_start" >&5
+$as_echo "$ac_cv_lib_pam_pam_start" >&6; }
+if test "x$ac_cv_lib_pam_pam_start" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBPAM 1
+_ACEOF
+
+  LIBS="-lpam $LIBS"
+
+else
+  as_fn_error $? "PAM selected but libpam not found" "$LINENO" 5
+fi
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for misc_conv in -lpam_misc" >&5
+$as_echo_n "checking for misc_conv in -lpam_misc... " >&6; }
+if ${ac_cv_lib_pam_misc_misc_conv+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpam_misc  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char misc_conv ();
+int
+main ()
+{
+return misc_conv ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_pam_misc_misc_conv=yes
+else
+  ac_cv_lib_pam_misc_misc_conv=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pam_misc_misc_conv" >&5
+$as_echo "$ac_cv_lib_pam_misc_misc_conv" >&6; }
+if test "x$ac_cv_lib_pam_misc_misc_conv" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBPAM_MISC 1
+_ACEOF
+
+  LIBS="-lpam_misc $LIBS"
+
+else
+  as_fn_error $? "PAM selected but libpam_misc not found" "$LINENO" 5
+fi
+
+    LIBS=$LIBS_save
+    PAM_LIBS="-lpam -lpam_misc"
+
+$as_echo "#define WITH_PAM 1 " >>confdefs.h
+
+fi
+
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5
 $as_echo_n "checking for an ANSI C-conforming const... " >&6; }
 if ${ac_cv_c_const+:} false; then :

configure.in

@@ -34,7 +34,6 @@ dnl Autoconf file for daemonize
 dnl
 dnl Process this file with autoconf to produce a configure script.
 dnl ---------------------------------------------------------------------------
-
 AC_INIT(daemonize.c)
 AC_CONFIG_HEADER(config.h)
 
@@ -53,6 +52,7 @@ AC_PROG_CPP
 
 AC_SUBST(CC)
 AC_SUBST(CPP)
+AC_SUBST(DAEMONIZE_LIBS)
 
 dnl ---------------------------------------------------------------------------
 dnl UNIX variant hacks
@@ -81,6 +81,24 @@ dnl ---------------------------------------------------------------------------
 dnl Checks for libraries.
 dnl ---------------------------------------------------------------------------
 
+dnl check the existance of the libpam and libpam_misc
+AC_ARG_WITH([pam],
+    AS_HELP_STRING([--with-pam], [enable PAM support]),
+    [], [with_pam=no])
+if test "x$with_pam" = xyes; then
+    LIBS_save=$LIBS
+    AC_CHECK_LIB(pam, pam_start,
+        [],
+        AC_MSG_ERROR([PAM selected but libpam not found]))
+    AC_CHECK_LIB(pam_misc, misc_conv,
+        [],
+        AC_MSG_ERROR([PAM selected but libpam_misc not found]))
+    LIBS=$LIBS_save
+    PAM_LIBS="-lpam -lpam_misc"
+    AC_DEFINE(WITH_PAM, [1] ,[PAM support.])
+fi
+AC_SUBST([PAM_LIBS])
+
 dnl ---------------------------------------------------------------------------
 dnl Checks for typedefs, structures, and compiler characteristics.
 dnl ---------------------------------------------------------------------------